[2725] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Copyright (C) 2002 by Glenn McGrath
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| 4 | *
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| 5 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 6 | */
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| 7 |
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| 8 | #include "libbb.h"
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[3232] | 9 | #include "bb_archive.h"
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[2725] | 10 |
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| 11 | /* Built and used only if ENABLE_DPKG || ENABLE_DPKG_DEB */
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| 12 |
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| 13 | /*
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| 14 | * Reassign the subarchive metadata parser based on the filename extension
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| 15 | * e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
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| 16 | * or if its a .tar.bz2 make archive_handle->sub_archive handle that
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| 17 | */
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| 18 | char FAST_FUNC filter_accept_list_reassign(archive_handle_t *archive_handle)
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| 19 | {
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| 20 | /* Check the file entry is in the accept list */
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| 21 | if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
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| 22 | const char *name_ptr;
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| 23 |
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| 24 | /* Find extension */
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| 25 | name_ptr = strrchr(archive_handle->file_header->name, '.');
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| 26 | if (!name_ptr)
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| 27 | return EXIT_FAILURE;
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| 28 | name_ptr++;
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| 29 |
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| 30 | /* Modify the subarchive handler based on the extension */
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[3621] | 31 | if (strcmp(name_ptr, "tar") == 0) {
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| 32 | archive_handle->dpkg__action_data_subarchive = get_header_tar;
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| 33 | return EXIT_SUCCESS;
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| 34 | }
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[2725] | 35 | if (ENABLE_FEATURE_SEAMLESS_GZ
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| 36 | && strcmp(name_ptr, "gz") == 0
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| 37 | ) {
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| 38 | archive_handle->dpkg__action_data_subarchive = get_header_tar_gz;
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| 39 | return EXIT_SUCCESS;
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| 40 | }
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| 41 | if (ENABLE_FEATURE_SEAMLESS_BZ2
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| 42 | && strcmp(name_ptr, "bz2") == 0
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| 43 | ) {
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| 44 | archive_handle->dpkg__action_data_subarchive = get_header_tar_bz2;
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| 45 | return EXIT_SUCCESS;
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| 46 | }
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| 47 | if (ENABLE_FEATURE_SEAMLESS_LZMA
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| 48 | && strcmp(name_ptr, "lzma") == 0
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| 49 | ) {
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| 50 | archive_handle->dpkg__action_data_subarchive = get_header_tar_lzma;
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| 51 | return EXIT_SUCCESS;
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| 52 | }
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[3621] | 53 | if (ENABLE_FEATURE_SEAMLESS_XZ
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| 54 | && strcmp(name_ptr, "xz") == 0
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| 55 | ) {
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| 56 | archive_handle->dpkg__action_data_subarchive = get_header_tar_xz;
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| 57 | return EXIT_SUCCESS;
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| 58 | }
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[2725] | 59 | }
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| 60 | return EXIT_FAILURE;
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| 61 | }
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